Dr. Tonusri Nag, DO

  • Ormond Beach, FL
  • Cardiologist
NPI1235587551PAC ID3870915218
Medicare services, 2024
1,106
Medicare patients, 2024
516
Part D claims, 2024
376
Hospital affiliations
4
Industry payments
$5,879
Practice address
907 Sterthaus Dr, Ormond Beach, FL 32174
Practice phone
Call (386) 231-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Florida Hospital Healthcare Partners, Inc

Ormond Beach, Florida

See all 19 affiliations

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Dr. Tonusri Nag is a cardiologist in Ormond Beach, Florida

Dr. Nag practices at Florida Hospital Healthcare Partners, Inc in Ormond Beach, Florida.

Dr. Nag's NPI, 1235587551, was assigned on May 26, 2016. Dr. Nag graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2016. Dr. Nag holds New York license 302125.

NPI and contact details
Medicare PAC ID
3870915218
NPI enumeration date
May 26, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(386) 231-6000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Tonusri Nag practices at Florida Hospital Healthcare Partners, Inc in Ormond Beach, Florida

Dr. Nag's primary practice is Florida Hospital Healthcare Partners, Inc, at 907 Sterthaus Dr, Ormond Beach, FL 32174 in Volusia County. The practice phone is (386) 231-6000.

  • Florida Hospital Healthcare Partners, Inc
    907 Sterthaus Dr, Ormond Beach, FL 32174 · Volusia CountyPhone(386) 231-6000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Tonusri Nag is affiliated with 6 sites of care and 13 medical groups

Dr. Nag's primary practice is Florida Hospital Healthcare Partners, Inc in Ormond Beach, Florida. Dr. Nag is also affiliated with AdventHealth Daytona Beach. The medical group on file is AdventHealth Medical Group. Dmand AI also links Dr. Nag to 3 more hospitals, 12 medical groups and 1 group practice or clinic, each named with a free account.

See all 19 affiliations for Dr. Nag

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Tonusri Nag's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nag practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Florida Hospital Healthcare Partners, IncAvailable with a free account
+5 more sites and 12 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Tonusri Nag is one of 1,709 cardiologists in Florida

Cardiovascular disease is Dr. Nag's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Nag is licensed in New York.

Specialties and state licenses

  • Cardiovascular disease, New YorkPrimaryLicense 302125 · taxonomy 207RC0000X

Cardiologists near Dr. Nag

Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Tonusri Nag billed Medicare for 1,106 services in 2024

CMS data shows 1,106 Medicare services from Dr. Nag across 20 procedure codes in 2024, for 516 Medicare patients. Medicare paid $83,940 for them.

Medicare services, 20241,106
Medicare patients516
Paid by Medicare$83,940
Procedure codes20

Dr. Nag's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 152024: 6013907%
Office and hospital visits
2023: 2712024: 49181%
Imaging
2023: 02024: 14

Where Dr. Nag's Medicare services took place, 2024

  • In an office61155%
  • In a facility49545%

Dr. Nag compared with the Florida median for cardiologists, 2024

  • Dr. Nag
  • Florida median
Medicare services
1,106vs 1,92543% below
Medicare patients
516vs 70627% below
Part D claims
224vs 1,99889% below

Medians across 1,638 cardiologists in Florida with Dmand AI profiles that report each measure.

Dr. Nag's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Tonusri Nag treated 516 Medicare patients in 2024, average age 75

CMS counts 516 Medicare patients who saw Dr. Nag in 2024. The largest group is 65 to 74, with 188 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Nag's median patient age at 72, with 59% women.

Medicare patients, 2024516
Average age75
Average risk score1.70
Also on Medicaid21%

Dr. Nag's Medicare patients by age, 2024

Dr. Nag's Medicare patients by sex, 2024

  • Women27754%
  • Men23946%

Chronic conditions among Dr. Nag's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Ischemic heart disease45%
  5. Diabetes39%
  6. Heart failure33%
  7. Atrial fibrillation32%
  8. Chronic kidney disease31%

Share of Medicare patients with each condition. A patient can have several.

Dr. Nag's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women59%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Tonusri Nag wrote 376 Medicare Part D claims in 2024

In 2024, Dr. Nag wrote 376 Medicare Part D claims for 173 patients. 88% of them were for generic drugs. CMS names the drug for 224 of them, across 10 drugs with 11 or more claims each, at $16,476 in total drug cost. In 2022, CMS named 34 claims across 2 drugs.

Part D claims, 2024376
Drugs named by CMS10
Total drug cost$16,476
Part D patients173

Dr. Nag's Part D claims by kind of drug, 2024

  • Generic331 claims88%
  • Brand-name45 claims12%

Dr. Nag's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 342024: 224559%

Drugs named by CMS: 10 in 2024, 2 in 2022.

See all prescribing by Dr. Nag

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Tonusri Nag takes part in Medicare

Dr. Nag accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Coronary angioplasty and stenting: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Tonusri Nag received $5,879 in industry payments from 2019 to 2025

CMS Open Payments shows 66 general payments to Dr. Nag from 22 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 60% of the total. Medtronic, Inc. paid the most, $1,404.

General payments to Dr. Nag by program year, 2019 to 2025

General payments to Dr. Nag by kind, 2019 to 2025

$5.9Kin total
  • Food and beverage$3,52760%
  • Travel and lodging$2,18437%
  • Education$1683%

Companies that paid Dr. Nag the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Nag

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Tonusri Nag graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine

Dr. Nag graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2016.

  1. Medical schoolKansas City University of Medicine and Biosciences College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Tonusri Nag's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Tonusri Nag

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Tonusri Nag's NPI number?

Dr. Tonusri Nag's NPI number is 1235587551. It was assigned on May 26, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Tonusri Nag?

Dr. Tonusri Nag is a cardiologist in Ormond Beach, Florida. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Tonusri Nag practice?

Dr. Nag practices at 907 Sterthaus Dr, Ormond Beach, FL 32174. Dr. Nag's primary practice is Florida Hospital Healthcare Partners, Inc in Ormond Beach, Florida. Dmand AI also links Dr. Nag to 3 hospitals, 12 medical groups and 1 group practice or clinic.

What is Dr. Tonusri Nag's office phone number?

The practice phone on file for Dr. Nag is (386) 231-6000.

What is Dr. Tonusri Nag's medical license number?

Dr. Nag holds New York license 302125.

Which hospitals is Dr. Tonusri Nag affiliated with?

Dr. Nag is affiliated with AdventHealth Daytona Beach. Dmand AI links Dr. Nag to 3 more hospitals.

What medical group is Dr. Tonusri Nag part of?

Dr. Nag is linked to AdventHealth Medical Group. Dmand AI links Dr. Nag to 12 more medical groups.

Does Dr. Tonusri Nag accept Medicare?

Yes. CMS data shows Dr. Nag billed Medicare for 1,106 services in 2024, and Dr. Nag accepts Medicare assignment.

How many Medicare patients does Dr. Tonusri Nag see?

CMS counts 516 Medicare patients who saw Dr. Nag in 2024, with an average age of 75.

What services does Dr. Tonusri Nag bill to Medicare?

In 2024, Dr. Nag's most billed Medicare services were heart test or procedure (93000), office visit, established patient (99214) and heart test or procedure (93306).

Show 4 more questionsShow fewer questions

Where did Dr. Tonusri Nag go to medical school?

Dr. Nag graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2016.

What drugs does Dr. Tonusri Nag prescribe most?

In 2024 Medicare Part D data, Dr. Nag's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Tartrate and Ezetimibe.

Has Dr. Tonusri Nag received payments from drug or device companies?

CMS Open Payments shows $5,879 in general payments to Dr. Nag from 22 companies from 2019 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. Tonusri Nag been practicing?

Dr. Nag graduated from medical school in 2016, 10 years ago.

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